blemish specifications for mark iii non-extended cradle crt

Applications Notes:
Data Sheet (PDF) Blemish Specifications Spectrum

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Thomas Electronics > Telecine Display/Products > Mark III Non-Extended Cradle CRT > Blemish Specifications

Mark III Non-Extended Cradle CRT Blemish Specifications

Quality Area: Overall Useful Screen 4.05" by 4.05" (103 mm by 103mm)

A Zone is 103mm by 80 mm

B Zone is remainder of useful screen.

TEMPLATE: 245-448

Glass, screen and lamination defects, comprised of opaque spots and bubbles within the stated useful screen area shall not exceed the specifications defined below:

A Grade Screen, Blemish Spec:

A Zone

B Zone

0 Blemishes allowed > 4 FM

< 4 Disregard

3 Blemishes allowed > 9 and < 13 FM

0 Allowed > 13 FM

9 Disregard

B Grade Screen, Blemish Spec:

A Zone

B Zone

< 3 Blemishes allowed > 4 and < 8

< 4 disregard

> 8 not allowed

< 3 Blemishes allowed > 9 and < 13 FM

0 Allowed > 13 FM

< 9 Disregard

C Grade Screen, Blemish Spec:

A and B zones together, full useful screen

< 3 Blemishes allowed > 9 and < 13 FM

0 Allowed > 13 FM

< 9 Disregard

TK Type	A Screen	B Screen	C Screen
URSA	7M514P46	7M560P46	7M561P46
MKIII Extended Cradle	7M554P46	7M562P46	7M563P46
MKIII Old Cradle	7M557P46	7M564P46	7M565P46